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Xlib (also known as libX11) is an X Window System protocol client library written in the C programming language. It contains functions for interacting with an X server . These functions allow programmers to write programs without knowing the details of the X protocol .
The low-level library Xlib is the client-side implementation of the X11 protocol. It communicates with an X server, but does not provide any function for implementing graphical control elements ("widgets"), such as buttons or menus. The Xt library provides support for creating widget types, but does not provide any itself.
the Xlib functions that send requests block until the appropriate replies, if any is expected, are received; in other words, an X Window client not using Xlib can send a request to the server and then do other operations while waiting for the reply, but a client using Xlib can only call an Xlib function that sends the request and wait for the ...
Tgif saves drawings in a Prolog-based [2] plain text file format. Because the program is based on Prolog, [citation needed] there isn't a lot of support from other programs for reading the Tgif file format. Fonts are represented as PostScript font names. Originally, it was possible to print Tgif drawings in batch mode without using an X display ...
Formatted text documents in binary files have, however, the disadvantages of formatting scope and secrecy. Whereas the extent of formatting is accurately marked in markup languages, WYSIWYG formatting is based on memory, that is, keeping for example your pressing of the boldface button until cancelled. This can lead to formatting mistakes and ...
For example, a piece of text rendering HTML code can be transferred as text to a requester that can only handle text, but can also be transferred as HTML code if the requester can handle it. Such negotiation of format cannot be done by passive mechanisms, in which the client holding the selection (and giving it semantics) transfers the ...
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Most contemporary toolkits, such as GTK or Qt, bypass them and use Xlib or XCB directly. The Amiga OS Intuition was formerly present in the Amiga Kickstart ROM and integrated itself with a medium-high level widget library which invoked the Workbench Amiga native GUI. Since Amiga OS 2.0, Intuition.library became disk based and object oriented.